def __init__(self, exceptIps=["127.0.0.1"]):
'''
Constructor
'''
self.__serverReader = []
self.__exceptIps = exceptIps
self.__networkService = NetworkService()
self.__sysProxy = ALProxy("ALSystem", Settings.naoHostName,
Settings.naoPort)
def __init__(self, exceptIps=["127.0.0.1"]):
'''
Constructor
'''
self.__serverReader = []
self.__exceptIps = exceptIps
self.__networkService = NetworkService()
self.__sysProxy = ALProxy("ALSystem", Settings.naoHostName, Settings.naoPort)
class ServerManager(object):
'''
Manages several servers
'''
__networkService = None
__serverReader = []
__exceptIps = []
__sysProxy = None
def __init__(self, exceptIps=["127.0.0.1"]):
'''
Constructor
'''
self.__serverReader = []
self.__exceptIps = exceptIps
self.__networkService = NetworkService()
self.__sysProxy = ALProxy("ALSystem", Settings.naoHostName,
Settings.naoPort)
@staticmethod
def getLocalInterfaces():
"""
Used to get a list of the up interfaces and associated IP addresses
on this machine (linux only).
Returns:
List of interface tuples. Each tuple consists of
(interface name, interface IP)
"""
SIOCGIFCONF = 0x8912
MAXBYTES = 8096
var1 = 32
var2 = 32
sock = socket(AF_INET, SOCK_DGRAM)
names = array('B', '\0' * MAXBYTES)
outbytes = unpack(
'iL',
ioctl(sock.fileno(), SIOCGIFCONF,
pack('iL', MAXBYTES,
names.buffer_info()[0])))[0]
namestr = names.tostring()
return [(namestr[i:i + var1].split('\0', 1)[0],
inet_ntoa(namestr[i + 20:i + 24]))
for i in xrange(0, outbytes, var2)]
'''
Gets alist of ip addresses
'''
@staticmethod
def getIpAdresses(_except=[]):
ips = []
# extract ip
for dev in ServerManager.getLocalInterfaces():
if len(dev) > 1 and dev[1] not in _except:
# get ipv6 address
ipv6 = ServerManager.getIpv6Adress(dev[0], _except)
if ipv6:
ips.append(ipv6)
ips.append(dev[1])
return ips
@staticmethod
def getIpv6Adress(interface, _except=[]):
# get ipaddress
cmd = ["ifconfig", str(interface)]
p = Popen(cmd, stdin=PIPE, stdout=PIPE)
ret, err = p.communicate()
if not err:
ret = ret.split("\n")
# search for ipv6 address
for line in ret:
if "inet6" in line:
data = line.split(": ")
if len(data) > 1:
data = data[1].split(" ")[0].split("/")
return str(data[0]) + "%" + str(interface)
return None
'''
Checks if a ip is inside server readers list
'''
def isIpInServerReadersList(self, ip=""):
for reader in self.__serverReader:
if reader.host == ip:
return True
return False
'''
Closes all unsused server readers in list
'''
def closeUnsusedReaders(self, ips=[]):
for reader in self.__serverReader:
if reader.host not in ips:
reader.close()
self.__serverReader.remove(reader)
'''
Checks servers
'''
def manage(self):
# get list of ips
ips = self.getIpAdresses(self.__exceptIps)
# check if there's already a server for that ip
new = False
for ip in ips:
if not self.isIpInServerReadersList(ip):
self.__serverReader.append(ServerReader(ip))
start_new_thread(
self.__serverReader[len(self.__serverReader) - 1].exe, ())
new = True
sleep(0.1)
# check if to restart service
if new or len(ips) < 1:
self.__networkService.unregisterService(
str(self.__sysProxy.robotName()), Settings.serverServiceType)
if new:
self.__networkService.registerService(
str(self.__sysProxy.robotName()), Settings.serverServiceType,
Settings.serverDefaultPort)
# check for unsused readers
self.closeUnsusedReaders(ips)
class ServerManager(object):
'''
Maneja los diferentes servidores
'''
__networkService = None
__serverReader = []
__exceptIps = []
__sysProxy = None
def __init__(self, exceptIps=["127.0.0.1"]):
'''
Constructor
'''
self.__serverReader = []
self.__exceptIps = exceptIps
self.__networkService = NetworkService()
self.__sysProxy = ALProxy("ALSystem", Settings.naoHostName, Settings.naoPort)
@staticmethod
def getLocalInterfaces():
"""
Used to get a list of the up interfaces and associated IP addresses
on this machine (linux only).
Returns:
List of interface tuples. Each tuple consists of
(interface name, interface IP)
"""
SIOCGIFCONF = 0x8912
MAXBYTES = 8096
var1 = 32
var2 = 32
sock = socket(AF_INET, SOCK_DGRAM)
names = array('B', '\0' * MAXBYTES)
outbytes = unpack('iL', ioctl(sock.fileno(), SIOCGIFCONF, pack('iL', MAXBYTES, names.buffer_info()[0]) ))[0]
namestr = names.tostring()
return [(namestr[i:i+var1].split('\0', 1)[0], inet_ntoa(namestr[i+20:i+24])) for i in xrange(0, outbytes, var2)]
'''
Gets alist of ip addresses
'''
@staticmethod
def getIpAdresses(_except=[]):
ips = []
# extract ip
for dev in ServerManager.getLocalInterfaces():
if len(dev) > 1 and dev[1] not in _except:
# get ipv6 address
ipv6 = ServerManager.getIpv6Adress(dev[0], _except)
if ipv6:
ips.append(ipv6)
ips.append(dev[1])
return ips
@staticmethod
def getIpv6Adress(interface, _except=[]):
# get ipaddress
cmd = ["ifconfig", str(interface)]
p = Popen(cmd, stdin=PIPE, stdout=PIPE)
ret, err = p.communicate()
if not err:
ret = ret.split("\n")
# search for ipv6 address
for line in ret:
if "inet6" in line:
data = line.split(": ")
if len(data) > 1:
data = data[1].split(" ")[0].split("/")
return str(data[0]) + "%" + str(interface)
return None
'''
Checks if a ip is inside server readers list
'''
def isIpInServerReadersList(self, ip=""):
for reader in self.__serverReader:
if reader.host == ip:
return True
return False
'''
Closes all unsused server readers in list
'''
def closeUnsusedReaders(self, ips=[]):
for reader in self.__serverReader:
if reader.host not in ips:
reader.close()
self.__serverReader.remove(reader)
'''
Checks servers
'''
def manage(self):
# get list of ips
ips = self.getIpAdresses(self.__exceptIps)
# check if there's already a server for that ip
new = False
for ip in ips:
if not self.isIpInServerReadersList(ip):
self.__serverReader.append( ServerReader(ip) )
start_new_thread( self.__serverReader[len(self.__serverReader)-1].exe, () )
new = True
sleep(0.1)
# check if to restart service
if new or len(ips) < 1:
self.__networkService.unregisterService( str(self.__sysProxy.robotName()), Settings.serverServiceType )
if new:
self.__networkService.registerService( str(self.__sysProxy.robotName()), Settings.serverServiceType, Settings.serverDefaultPort )
# check for unsused readers
self.closeUnsusedReaders(ips)
